APA aipamena

SAH, S. (2008). 101 FACTS NATURAL WORLD. PEARSON EDUCATION.

Chicago Style aipamena

SAH, SNIGDHA. 101 FACTS NATURAL WORLD. NEW DELHI: PEARSON EDUCATION, 2008.

MLA aipamena

SAH, SNIGDHA. 101 FACTS NATURAL WORLD. PEARSON EDUCATION, 2008.